<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>表格标签的使用</title>
    <style>
        div{
            float:left;
            text-align: center;
            border: 1px solid red;
            width: 200px;
            height: 400px;
        }
    </style>
</head>
<body>
<div >
    <table align="center" border="1" width="50%">
        <tr> <th>姓名</th> <th>性别</th> <th>年龄</th></tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
    </table>
</div>
    <table align="left" border="1" width="50%">
        <tr> <th>姓名</th> <th>性别</th> <th>年龄</th></tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
    </table>
    <table align="left" border="1" width="50%">
        <tr> <th>姓名</th> <th>性别</th> <th>年龄</th></tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
    </table>
    <table align="left" border="1" width="50%">
        <tr> <th>姓名</th> <th>性别</th> <th>年龄</th></tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
        <tr> <td>张三</td> <td>男</td> <td>12</td> </tr>
    </table>
<div></div>
<div></div>
</body>
</html>